#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
	char c1, c2;
	//c1 = 'A';
	//c2 = 'B';
	printf("Input c1 and c2:\n");
	scanf(" %c%c", &c1, &c2);
	printf("c1=%c;c2=%c", c1, c2);
	return 0;
}